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Electromagnetic Field Theory

Electromagnetic Field Theory
An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is

 100.
 50.
 1/75.
 75.

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Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to

 a dipole.
 a monopole.
 none of above.
 a dipole and a monopole.

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Electromagnetic Field Theory
The main disadvantage of the two-hole directional coupler is

Poor directivity
Narrow bandwidth
Low directional coupling
High standing wave ratio

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Electromagnetic Field Theory
Fleming's right hand rule may be applied to an electric generator to find out the direction of

 rotor rotation.
 magnetic field.
None of these
 induced emf.

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Electromagnetic Field Theory
1 Maxwell is the same as

 10-4 weber.
 10-8 weber.
 104 weber.
 10-8 weber.

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Electromagnetic Field Theory
Electric field intensity (E) at ant point in an electric field is equal to

 (potential gradient)1/3.
 (potential gradient)2.
 (potential gradient)1/2.
 potential gradient.

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